INVERSE TRIG FUNCTIONS Expressions (Page 7 of 8)

Now evaluate  cot[arcsec(4)]. We will need to use the reciprocal identity for the cotangent, and use the inverse of the reciprocal function at the reciprocal of the argument for the inverse secant.

 CLEAR key.

 1 Divide key. TAN key. 2nd inverse cosine key. 4 x to the -1 key. Right parenthesis key. Right parenthesis key. ENTER key.

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